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45145 (1999 XN105)
Classification: Main-belt Asteroid          SPK-ID: 2045145
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1659030202831317 6.5697e-08  
a 2.407128552903952 1.8775e-08 AU
q 2.007778655767422 1.5663e-07 AU
i 6.220748989734123 7.3077e-06 deg
node 40.63901176744456 5.9243e-05 deg
peri .05779661174795185 6.2889e-05 deg
M 338.8973800530816 2.0174e-05 deg
tp 2456880.461554821316
(2014-Aug-10.96155482)
7.6675e-05 JED
period 1364.103595102525
3.73
1.596e-05
4.37e-08
d
yr
n .2639095749710583 3.0876e-09 deg/d
Q 2.806478450040482 2.189e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      21050 days (57.63 yr)  
   first obs. used      1954-10-28  
   last obs. used      2012-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51188  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 06:27:46  

Additional Information
 Earth MOID = 1.01468 AU 
 T_jup = 3.495 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO233749  

45145 (1999 XN105)          Discovered 1999-Dec-08 by Shiozawa, H., Urata, T. at Nachi-Katsuura (905)
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XN105 = 1954 UR2 = 2001 FY48 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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